Updated October 2026
Bittern is a small Western Port township between Hastings and Balnarring, with a modest centre, newer estate housing on the edges and a spread of semi-rural blocks around it. It is quiet, flat and year-round. Mornington Hot Water is a free referral service. We connect you with licensed hot water plumbers who cover Bittern. We are not a plumbing business ourselves, and the referral costs you nothing.
Mixed supply, mixed systems
Energy supply varies by address here. Parts of the township have mains gas and parts do not, and semi-rural blocks beyond it frequently run bottled LPG or go all electric. The practical consequence is simple: do not assume, and let the plumber confirm what your meter and line can support before you settle on a system.
Newer estate homes mostly came with gas storage or continuous flow and are reaching the age where first replacements start. Older township houses tend to run electric storage, often on a controlled-load tariff.
Larger blocks have the outdoor space that suits a heat pump, and for households currently on LPG or full-rate electricity, that is usually where the biggest running-cost saving sits.
Repair it or replace it
If the tank itself is leaking, it is a replacement. Elements, thermostats and relief valves on a younger tank are often worth fixing, with repairs roughly $150 to $600 depending on the part. See hot water repairs and hot water replacement.
As a guide, electric storage like-for-like swaps run from around $800 to $2,500 installed. Gas storage and continuous flow sit around $1,200 to $3,500, and a heat pump $3,000 to $6,000 before incentives. The cost guide has the full breakdown.
Same-day replacement is often possible for common tank sizes when you get in touch in the morning.
Frequently asked questions
How do I find out if my street has mains gas?
The plumber checks the meter and the supply at quote stage. It is worth confirming before you plan around a gas system.
Our tank heats overnight only. Can we change that?
A controlled-load tariff heats overnight at a lower rate, which is why the tank needs to be large enough for a full day. Your retailer handles the tariff, the plumber handles the tank.
Does frost affect a heat pump out here?
Modern units handle Peninsula winters and most carry a backup element for cold mornings. Efficiency dips slightly, running costs stay far below a standard electric tank.
Nearby, see Hastings and Crib Point.